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  <documentation>Covers distinction of operations into acquisitions, continuing and discontinued</documentation>
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_CapitalEmployed" xlink:to="uk-gaap-pt_MinorityInterestBalanceSheet" order="1" weight="1" use="optional" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_CapitalEmployed" xlink:to="uk-gaap-pt_ShareholderFunds" order="2" weight="1" use="optional" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_LoansFromDirectorsWithinOneYear" xlink:label="uk-gaap-pt_LoansFromDirectorsWithinOneYear" />
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  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/uk/role/BalanceSheetFormat2Calculation" xlink:title="Balance Sheet Format 2 calculation">
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_TotalAssets" xlink:label="uk-gaap-pt_TotalAssets" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CalledUpShareCapitalNotPaidNotExpressedAsCurrentAsset" xlink:label="uk-gaap-pt_CalledUpShareCapitalNotPaidNotExpressedAsCurrentAsset" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalAssets" xlink:to="uk-gaap-pt_CalledUpShareCapitalNotPaidNotExpressedAsCurrentAsset" order="1" weight="1" use="optional" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalAssets" xlink:to="uk-gaap-pt_CurrentAssets" order="2" weight="1" use="optional" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_DebtorsDueWithinOneYear" xlink:to="uk-gaap-pt_AmountsOwedBySubsidiariesWithinOneYear" xlink:title="Go down to: AmountsOwedBySubsidiariesWithin1Year" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsOwedByParticipatingInterestsWithinOneYear" xlink:label="uk-gaap-pt_AmountsOwedByParticipatingInterestsWithinOneYear" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsOwedByJoint-venturesWithinOneYear" xlink:label="uk-gaap-pt_AmountsOwedByJoint-venturesWithinOneYear" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsOwedByAssociatesWithinOneYear" xlink:label="uk-gaap-pt_AmountsOwedByAssociatesWithinOneYear" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsOwedByOtherParticipatingInterestsWithinOneYear" xlink:label="uk-gaap-pt_AmountsOwedByOtherParticipatingInterestsWithinOneYear" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_AmountsOwedByParticipatingInterestsWithinOneYear" xlink:to="uk-gaap-pt_AmountsOwedByOtherParticipatingInterestsWithinOneYear" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsRecoverableOnContractsWithinOneYear" xlink:label="uk-gaap-pt_AmountsRecoverableOnContractsWithinOneYear" xlink:title="Go down to: amtsRecoverableOnContractsWithin1Year" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_DebtorsDueWithinOneYear" xlink:to="uk-gaap-pt_AmountsRecoverableOnContractsWithinOneYear" xlink:title="Go down to: amtsRecoverableOnContractsWithin1Year" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OtherDebtorsWithinOneYear" xlink:label="uk-gaap-pt_OtherDebtorsWithinOneYear" xlink:title="Go down to: otrDebtorsWithin1Year" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_DebtorsDueWithinOneYear" xlink:to="uk-gaap-pt_OtherDebtorsWithinOneYear" xlink:title="Go down to: otrDebtorsWithin1Year" order="5" weight="1" use="optional" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_BankLoansOverdrafts" xlink:title="Go down to: bankLoansAndOverdraftsAfter1Year" order="4" weight="1" use="optional" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_ObligationsUnderFinanceLeaseHirePurchaseContracts" xlink:label="uk-gaap-pt_ObligationsUnderFinanceLeaseHirePurchaseContracts" xlink:title="Go down to: obligationsUnderFlsAndHirePurchaseContractsAfter1Year" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_ObligationsUnderFinanceLeaseHirePurchaseContracts" xlink:title="Go down to: obligationsUnderFlsAndHirePurchaseContractsAfter1Year" order="5" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OtherLoans" xlink:label="uk-gaap-pt_OtherLoans" xlink:title="Go down to: otrLoansAfter1Year" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_OtherLoans" xlink:title="Go down to: otrLoansAfter1Year" order="6" weight="1" use="optional" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_PaymentsReceivedOnAccount" xlink:title="Go down to: paymentsReceivedOnAccountAfter1Year" order="7" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_TradeCreditors" xlink:label="uk-gaap-pt_TradeCreditors" xlink:title="Go down to: tradeCreditorsAfter1Year" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_BillsExchange" xlink:label="uk-gaap-pt_BillsExchange" xlink:title="Go down to: billsOfExchangeAfter1Year" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsOwedToGroupUndertakings" xlink:label="uk-gaap-pt_AmountsOwedToGroupUndertakings" xlink:title="calculation: TotalCreditors to AmountsOwedToGroupUndertakings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_AmountsOwedToGroupUndertakings" xlink:title="calculation: TotalCreditors to AmountsOwedToGroupUndertakings" order="10" weight="1" use="optional" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AmountsOwedToParentUndertaking" xlink:label="uk-gaap-pt_AmountsOwedToParentUndertaking" xlink:title="calculation: AmountsOwedToGroupUndertakings to AmountsOwedToParentUndertaking" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_TaxationSocialSecurity" xlink:title="Go down to: taxationAndSocialSecurityDueAfter1Year" order="12" weight="1" use="optional" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_AccrualsDeferredIncome" xlink:label="uk-gaap-pt_AccrualsDeferredIncome" xlink:title="Go down to: accrualsAndDeferredIncAfter1Year" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_DeferredConsiderationForAcquisitions" xlink:label="uk-gaap-pt_DeferredConsiderationForAcquisitions" xlink:title="Go down to: deferredConsiderationForAcqsAfter1Year" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCreditors" xlink:to="uk-gaap-pt_DeferredConsiderationForAcquisitions" xlink:title="Go down to: deferredConsiderationForAcqsAfter1Year" order="15" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_UnpaidContributionsToPensionSchemes" xlink:label="uk-gaap-pt_UnpaidContributionsToPensionSchemes" xlink:title="Go down to: definedContributionPensionSchemeAccrualAfter1Year" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashFlowOutflowFromReturnsOnInvestmentsServicingFinance" xlink:label="uk-gaap-pt_NetCashFlowOutflowFromReturnsOnInvestmentsServicingFinance" xlink:title="Go down to: NetCshFlowFromReturnsOnIvmsAndServicingOfFinance" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_DividendsFromAssociatesJoint-ventures" xlink:label="uk-gaap-pt_DividendsFromAssociatesJoint-ventures" xlink:title="Go down to: dvdsFromAscsAndJvts" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NewFinanceLeases" xlink:label="uk-gaap-pt_NewFinanceLeases" xlink:title="Go down to: newFlss" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_RedemptionPremiumOnEquityInstruments" xlink:label="uk-gaap-pt_RedemptionPremiumOnEquityInstruments" xlink:title="Go down to: redemptionPremiumOnEqyInstruments" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OtherNon-cashMovementsServingToDecreaseIncreaseNetDebt" xlink:label="uk-gaap-pt_OtherNon-cashMovementsServingToDecreaseIncreaseNetDebt" xlink:title="Go down to: otrNonCshMovements1" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashFlowOutflowFromChangeInDebtLeaseFinancing" xlink:label="uk-gaap-pt_NetCashFlowOutflowFromChangeInDebtLeaseFinancing" xlink:title="Go down to: netCshFlowFromChangeInDebtAndLseFinancing" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_IncreaseDecreaseInNetCashForPeriod" xlink:label="uk-gaap-pt_IncreaseDecreaseInNetCashForPeriod" />
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  <calculationLink xlink:type="extended" xlink:role="http://www.xbrl.org/uk/role/CashFlowAdditionalCalculatons" xlink:title="Cash Flow Additional calculations">
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_DividendsFromAssociatesJoint-ventures" xlink:label="uk-gaap-pt_DividendsFromAssociatesJoint-ventures" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_DividendsFromAssociates" xlink:label="uk-gaap-pt_DividendsFromAssociates" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:label="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:title="Go down to: netPaymentsAndReceiptsOnSubsidiaries" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleSubsidiaries" xlink:label="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleSubsidiaries" xlink:title="Go down to: netPaymentsAndReceiptsOnSubsidiaries" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashPaymentsToAcquireSubsidiaries" xlink:label="uk-gaap-pt_NetCashPaymentsToAcquireSubsidiaries" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_IssueSharesSubsidiariesToMinorityInterests" xlink:label="uk-gaap-pt_IssueSharesSubsidiariesToMinorityInterests" xlink:title="Go down to: issueOfShrsOfSubsidiariesToMinorityItts" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashOverdraftsAcquiredWithSubsidiaries" xlink:label="uk-gaap-pt_NetCashOverdraftsAcquiredWithSubsidiaries" xlink:title="Go down to: netCshAcquiredWithSub" />
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    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashAcquiredWithSubsidiariesCashFlow" xlink:label="uk-gaap-pt_CashAcquiredWithSubsidiariesCashFlow" />
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    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsOnSaleSubsidiaries" xlink:to="uk-gaap-pt_NetCashOverdraftsDisposedWithSubsidiaries" xlink:title="Go down to: netCshDisposedOfWithSub" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashDisposedWithSubsidiariesCashFlow" xlink:label="uk-gaap-pt_CashDisposedWithSubsidiariesCashFlow" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashOverdraftsDisposedWithSubsidiaries" xlink:to="uk-gaap-pt_CashDisposedWithSubsidiariesCashFlow" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_BankOverdraftsDisposedWithSubsidiariesCashFlow" xlink:label="uk-gaap-pt_BankOverdraftsDisposedWithSubsidiariesCashFlow" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashOverdraftsDisposedWithSubsidiaries" xlink:to="uk-gaap-pt_BankOverdraftsDisposedWithSubsidiariesCashFlow" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleJoint-venturesAssociates" xlink:label="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleJoint-venturesAssociates" xlink:title="Go down to: netPaymentsAndReceiptsOnJvtsAndAscs" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleJoint-venturesAssociates" xlink:title="Go down to: netPaymentsAndReceiptsOnJvtsAndAscs" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_TotalCashPaymentsToAcquireJoint-venturesAssociates" xlink:label="uk-gaap-pt_TotalCashPaymentsToAcquireJoint-venturesAssociates" xlink:title="Go down to: totalPaymentsToAcquireJvtsAndAscs" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleJoint-venturesAssociates" xlink:to="uk-gaap-pt_TotalCashPaymentsToAcquireJoint-venturesAssociates" xlink:title="Go down to: totalPaymentsToAcquireJvtsAndAscs" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashPaymentsToAcquireJoint-ventures" xlink:label="uk-gaap-pt_CashPaymentsToAcquireJoint-ventures" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCashPaymentsToAcquireJoint-venturesAssociates" xlink:to="uk-gaap-pt_CashPaymentsToAcquireJoint-ventures" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashPaymentsToAcquireAssociates" xlink:label="uk-gaap-pt_CashPaymentsToAcquireAssociates" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCashPaymentsToAcquireJoint-venturesAssociates" xlink:to="uk-gaap-pt_CashPaymentsToAcquireAssociates" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_TotalCashReceiptsOnSaleJoint-venturesAssociates" xlink:label="uk-gaap-pt_TotalCashReceiptsOnSaleJoint-venturesAssociates" xlink:title="Go down to: totalReceiptsOnSaleOfJvtsAndAscs" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleJoint-venturesAssociates" xlink:to="uk-gaap-pt_TotalCashReceiptsOnSaleJoint-venturesAssociates" xlink:title="Go down to: totalReceiptsOnSaleOfJvtsAndAscs" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashReceiptsOnSaleJoint-ventures" xlink:label="uk-gaap-pt_CashReceiptsOnSaleJoint-ventures" xlink:title="Go down to: receiptsOnSaleOfJointVentures" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCashReceiptsOnSaleJoint-venturesAssociates" xlink:to="uk-gaap-pt_CashReceiptsOnSaleJoint-ventures" xlink:title="Go down to: receiptsOnSaleOfJointVentures" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashReceiptsOnSaleAssociates" xlink:label="uk-gaap-pt_CashReceiptsOnSaleAssociates" xlink:title="Go down to: receiptsOnSaleOfAscs" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_TotalCashReceiptsOnSaleJoint-venturesAssociates" xlink:to="uk-gaap-pt_CashReceiptsOnSaleAssociates" xlink:title="Go down to: receiptsOnSaleOfAscs" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleTradesBusinesses" xlink:label="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleTradesBusinesses" xlink:title="Go down to: netPaymentsAndReceiptsOnTradesAndBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleTradesBusinesses" xlink:title="Go down to: netPaymentsAndReceiptsOnTradesAndBusinesses" order="3" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashPaymentsToAcquireTradeOrBusiness" xlink:label="uk-gaap-pt_NetCashPaymentsToAcquireTradeOrBusiness" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleTradesBusinesses" xlink:to="uk-gaap-pt_NetCashPaymentsToAcquireTradeOrBusiness" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashPaymentsToAcquireTradesOrBusinesses" xlink:label="uk-gaap-pt_CashPaymentsToAcquireTradesOrBusinesses" xlink:title="Go down to: paymentsToAcquireTradesOrBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashPaymentsToAcquireTradeOrBusiness" xlink:to="uk-gaap-pt_CashPaymentsToAcquireTradesOrBusinesses" xlink:title="Go down to: paymentsToAcquireTradesOrBusinesses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashOverdraftsAcquiredWithTradesBusinesses" xlink:label="uk-gaap-pt_NetCashOverdraftsAcquiredWithTradesBusinesses" xlink:title="Go down to: netCshAcquiredWithTradesAndBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashPaymentsToAcquireTradeOrBusiness" xlink:to="uk-gaap-pt_NetCashOverdraftsAcquiredWithTradesBusinesses" xlink:title="Go down to: netCshAcquiredWithTradesAndBusinesses" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashAcquiredWithTradesBusinesses" xlink:label="uk-gaap-pt_CashAcquiredWithTradesBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashOverdraftsAcquiredWithTradesBusinesses" xlink:to="uk-gaap-pt_CashAcquiredWithTradesBusinesses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OverdraftsAcquiredWithTradesBusinesses" xlink:label="uk-gaap-pt_OverdraftsAcquiredWithTradesBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashOverdraftsAcquiredWithTradesBusinesses" xlink:to="uk-gaap-pt_OverdraftsAcquiredWithTradesBusinesses" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashReceiptsFromSaleTradeOrBusiness" xlink:label="uk-gaap-pt_NetCashReceiptsFromSaleTradeOrBusiness" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsPaymentsFromPurchaseSaleTradesBusinesses" xlink:to="uk-gaap-pt_NetCashReceiptsFromSaleTradeOrBusiness" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashReceiptsOnSaleTradesOrBusinesses" xlink:label="uk-gaap-pt_CashReceiptsOnSaleTradesOrBusinesses" xlink:title="Go down to: receiptsOnSaleOfTradesOrBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsFromSaleTradeOrBusiness" xlink:to="uk-gaap-pt_CashReceiptsOnSaleTradesOrBusinesses" xlink:title="Go down to: receiptsOnSaleOfTradesOrBusinesses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashOverdraftsDisposedWithTradesOrBusinesses" xlink:label="uk-gaap-pt_NetCashOverdraftsDisposedWithTradesOrBusinesses" xlink:title="Go down to: netCshDisposedOfWithTradesOrBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashReceiptsFromSaleTradeOrBusiness" xlink:to="uk-gaap-pt_NetCashOverdraftsDisposedWithTradesOrBusinesses" xlink:title="Go down to: netCshDisposedOfWithTradesOrBusinesses" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CashDisposedWithTradesOrBusinesses" xlink:label="uk-gaap-pt_CashDisposedWithTradesOrBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashOverdraftsDisposedWithTradesOrBusinesses" xlink:to="uk-gaap-pt_CashDisposedWithTradesOrBusinesses" order="1" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OverdraftsDisposedWithTradesOrBusinesses" xlink:label="uk-gaap-pt_OverdraftsDisposedWithTradesOrBusinesses" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashOverdraftsDisposedWithTradesOrBusinesses" xlink:to="uk-gaap-pt_OverdraftsDisposedWithTradesOrBusinesses" order="2" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_CostsDisposals" xlink:label="uk-gaap-pt_CostsDisposals" xlink:title="Go down to: cstsOfDsps" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_CostsDisposals" xlink:title="Go down to: cstsOfDsps" order="4" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_DeferredPaymentsForAcquisitionsInPriorPeriods" xlink:label="uk-gaap-pt_DeferredPaymentsForAcquisitionsInPriorPeriods" xlink:title="Go down to: deferredPaymentsForAcqsInPriorYears" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_DeferredPaymentsForAcquisitionsInPriorPeriods" xlink:title="Go down to: deferredPaymentsForAcqsInPriorYears" order="5" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_DeferredReceiptsForSalesInPriorPeriods" xlink:label="uk-gaap-pt_DeferredReceiptsForSalesInPriorPeriods" xlink:title="Go down to: deferredReceiptsForSalesInPriorYears" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_DeferredReceiptsForSalesInPriorPeriods" xlink:title="Go down to: deferredReceiptsForSalesInPriorYears" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OtherNetCashPaymentsForAcquisitions" xlink:label="uk-gaap-pt_OtherNetCashPaymentsForAcquisitions" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_OtherNetCashPaymentsForAcquisitions" order="7" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_OtherNetCashReceiptsFromDisposals" xlink:label="uk-gaap-pt_OtherNetCashReceiptsFromDisposals" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromAcquisitionsDisposals" xlink:to="uk-gaap-pt_OtherNetCashReceiptsFromDisposals" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:label="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:title="Go down to: purchaseOfFinancialIvms" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_PurchaseFixedAssetInvestments" xlink:label="uk-gaap-pt_PurchaseFixedAssetInvestments" xlink:title="Go down to: purchaseOfFinancialIvms" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_PurchaseFixedAssetInvestments" xlink:title="Go down to: purchaseOfFinancialIvms" order="1" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_SaleFixedAssetInvestments" xlink:label="uk-gaap-pt_SaleFixedAssetInvestments" xlink:title="Go down to: saleOfFinancialIvms" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_SaleFixedAssetInvestments" xlink:title="Go down to: saleOfFinancialIvms" order="2" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_PurchaseTangibleFixedAssets" xlink:label="uk-gaap-pt_PurchaseTangibleFixedAssets" xlink:title="Go down to: purchaseOfPpeTangilbleFixedAsts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_PurchaseTangibleFixedAssets" xlink:title="Go down to: purchaseOfPpeTangilbleFixedAsts" order="3" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_SaleTangibleFixedAssets" xlink:label="uk-gaap-pt_SaleTangibleFixedAssets" xlink:title="Go down to: saleOfPpeTangibleFixedAsts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_SaleTangibleFixedAssets" xlink:title="Go down to: saleOfPpeTangibleFixedAsts" order="4" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_PurchaseIntangibleFixedAssets" xlink:label="uk-gaap-pt_PurchaseIntangibleFixedAssets" xlink:title="Go down to: purchaseOfIntangibleFixedAsts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_PurchaseIntangibleFixedAssets" xlink:title="Go down to: purchaseOfIntangibleFixedAsts" order="5" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_SaleIntangibleFixedAssets" xlink:label="uk-gaap-pt_SaleIntangibleFixedAssets" xlink:title="Go down to: saleOfIntangibleFixedAsts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_SaleIntangibleFixedAssets" xlink:title="Go down to: saleOfIntangibleFixedAsts" order="6" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_PurchaseTradeInvestments" xlink:label="uk-gaap-pt_PurchaseTradeInvestments" xlink:title="Go down to: purchaseOfTradeIvms" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_PurchaseTradeInvestments" xlink:title="Go down to: purchaseOfTradeIvms" order="7" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_SaleTradeInvestments" xlink:label="uk-gaap-pt_SaleTradeInvestments" xlink:title="Go down to: saleOfTradeIvms" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_SaleTradeInvestments" xlink:title="Go down to: saleOfTradeIvms" order="8" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_PurchaseOwnShares" xlink:label="uk-gaap-pt_PurchaseOwnShares" xlink:title="Go down to: purchaseOfOwnShrs" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_PurchaseOwnShares" xlink:title="Go down to: purchaseOfOwnShrs" order="9" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_SaleOwnShares" xlink:label="uk-gaap-pt_SaleOwnShares" xlink:title="Go down to: saleOfOwnShrs" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_SaleOwnShares" xlink:title="Go down to: saleOfOwnShrs" order="10" weight="1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_LoansToOtherEntities" xlink:label="uk-gaap-pt_LoansToOtherEntities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_LoansToOtherEntities" order="11" weight="-1" use="optional" />
    <loc xlink:type="locator" xlink:href="uk-gaap-pt-2008-01-15.xsd#uk-gaap-pt_SaleDebtOtherEntities" xlink:label="uk-gaap-pt_SaleDebtOtherEntities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="uk-gaap-pt_NetCashFlowOutflowFromCapitalExpenditureFinancialInvestment" xlink:to="uk-gaap-pt_SaleDebtOtherEntities" order="12" weight="1" use="optional" />
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